CN200948368Y - Mircro-negative-pressure type and freezing type packing tower tail gas recovery device - Google Patents
Mircro-negative-pressure type and freezing type packing tower tail gas recovery device Download PDFInfo
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- CN200948368Y CN200948368Y CN 200620071771 CN200620071771U CN200948368Y CN 200948368 Y CN200948368 Y CN 200948368Y CN 200620071771 CN200620071771 CN 200620071771 CN 200620071771 U CN200620071771 U CN 200620071771U CN 200948368 Y CN200948368 Y CN 200948368Y
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- packed tower
- tail gas
- negative pressure
- compensator
- freezing
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Abstract
The utility model discloses an exhaust gas reclaiming device for a micro-negative pressure and refrigeration filling tower, which is characterized in comprising a balance condensation tank and a filling tower. The balance condensation tank and the filling tower are connected with each other by a pipeline and a valve and connected with a refrigeration unit and a vacuum pump. The utility model has the advantages of reclaiming the exhaust gas completely, avoiding extra equipment investment, reducing the adsorbed paraffin and cutting down the operation cost for paraffin and steam. Secondly, the water pump is vacuumized and the system has stable micro-negative pressure, avoiding leakage caused by an unstable micro-negative pressure.
Description
Technical field:
The utility model relates to recovery technology, is a kind of solvent device for recovering tail gas, specifically, relates to little negative pressure, freezing type packed tower device for recovering tail gas that No. 6 solvent tail gas and methanol-fueled exhaust reclaim.
Background technology:
At present, oil extraction plant and cotton protein processing factory reclaim tail gas unit various ways, the most frequently used have two kinds of paraffin oil device for recovering tail gas and freezing type device for recovering tail gas, the paraffin oil device for recovering tail gas is to utilize the similar principle that mixes to solvent of paraffin oil, with solvent in the oil-poor absorption tail gas, again rich oil is heated, resolved the gas that finishes up back and forth earlier, this device exists input bigger than normal, operating cost is higher, shortcomings such as the little negative pressure instability of system.And the freezing type device for recovering tail gas is to utilize freeze cycle salt solution to come condensation tail gas, and this device exists tail gas and chilled brine weak point time of contact, and is mediate contact, and tail gas recycle is not thorough, shortcomings such as the little negative pressure instability of system.
Summary of the invention:
The purpose of this utility model provide a kind of both solved equipment drop into bigger than normal, the problem that operating cost is higher, the little negative pressure instability of the system that solved again, little negative pressure, the freezing type packed tower device for recovering tail gas of problem such as tail gas recycle is not thorough.
Technical solution of the present utility model is: a kind of little negative pressure, freezing type packed tower device for recovering tail gas, it is characterized in that: equilibrium condensation jar and packed tower are arranged, be connected with valve by pipeline between equilibrium condensation jar and the packed tower, the equilibrium condensation jar all is connected with freezing unit with packed tower, and all is connected with vavuum pump.
Packed tower described in the utility model is divided into upper and lower two-layer, and the upper strata is a packed tower, and lower floor is the liquid collecting jar, and aforementioned vavuum pump is housed on the liquid collecting jar, and there are condenser and demarcation strip in inside, and filling pipe is equipped with in the outside, and cat head is equipped with shower.The condensing unit of liquid collecting jar is connected with freezing unit circulating frozen brine pipeline, and the cooling water pipe of liquid collecting jar is connected with the cat head spray head with vavuum pump.Liquid level gauge also is equipped with in liquid collecting jar outside.The condensation compensator is divided into upper and lower two-layer, and the upper strata is a condenser, and lower floor is a compensator, and compensator is equipped with overflow pipe and/or liquid level gauge.The compensator condenser is connected with freezing unit circulating frozen Brine Pipe.The overflow pipe of compensator is connected with diversion box.
The beneficial effects of the utility model: the utility model uses the compensator condenser to the tail gas condensation earlier, again with the stainless steel helices tower gas that finishes up back and forth, tail gas is reverse with cooling water and directly contacts in packed tower, both are used in combination, tail gas recycle is more thorough, avoided too much equipment input, reduced paraffin oil absorption, operating costs such as the paraffin oil that parsing is consumed, steam.Secondly water vacuumizes the little negative regulation of system, the leakage of having avoided the little negative pressure instability of system to cause towards pump.
Below in conjunction with drawings and Examples the utility model is further described:
Description of drawings:
Fig. 1 is the structural representation of a kind of little negative pressure of the present utility model, freezing type packed tower device for recovering tail gas;
Fig. 2 is the balancing condenser structural representation in the little negative pressure of the utility model, the freezing type packed tower device for recovering tail gas;
Fig. 3 is the packed tower structural representation in the little negative pressure of the utility model, the freezing type packed tower device for recovering tail gas.
The specific embodiment:
Accompanying drawing has been described an embodiment of the present utility model.Equilibrium condensation jar 1 and packed tower 2 are arranged, be connected with valve 4 by pipeline 3 between equilibrium condensation jar 1 and the packed tower 2, equilibrium condensation jar 1 all is connected with freezing unit 5 with packed tower 2, and all is connected with vavuum pump 6.Described packed tower 2 is divided into upper and lower two-layer, and the upper strata is a packed tower, and lower floor is the liquid collecting jar, and aforementioned vavuum pump 6 is housed on the liquid collecting jar, and there are condenser and demarcation strip in inside, and filling pipe is equipped with in the outside, and cat head is equipped with shower.The condensing unit of liquid collecting jar is connected with freezing unit 5 circulating frozen brine pipelines, and the cooling water pipe of liquid collecting jar is connected with the cat head spray head with vavuum pump 6.Liquid level gauge also is equipped with in liquid collecting jar outside.Balance 1 drainer is divided into upper and lower two-layer, and the upper strata is a condenser, and lower floor is a compensator, and compensator is equipped with overflow pipe and/or liquid level gauge.Compensator condenser 1 is connected with freezing unit 5 circulating frozen Brine Pipes.The overflow pipe of compensator is connected with diversion box 7.
Among Fig. 2, Fig. 3: 21 for reclaiming the liquid outlet; 22 is the chilled brine import; 23 for reclaiming the liquid import; 24 is bleeding point; 25 is the chilled brine outlet; 26 is gauge glass.31 is cold liquid outlet; 32 is cold liquid import; 33 is discharge outlet 1; 34 is discharge outlet 2; 35 is bleeding point; 36 is water inlet pipe; 37 is sparge pipe; 38 is overflow pipe; 39 is peephole.
The utility model reasonably combines 1 freezing unit, 1 vavuum pump, 1 packed tower and 1 compensator, each equipment room couples together with pipeline, valve, solvent tail gas is earlier through the condensation of condensation compensator, do not coagulate tail gas and enter packed tower under vacuum action, cat head sprays into cooling water, tail gas and cooling water reverse contact in tower, the emptying of inert gas cat head, reclaim liquid and from top to bottom fall into the liquid collecting jar, overflow enters diversion box to compensator through overflow pipe again.
Above-mentioned vavuum pump vacuumizes system, the little negative pressure shape of system held.Above-mentioned packed tower is upper and lower two-layer, and the upper strata is the stainless steel helices tower, and lower floor is the liquid collecting jar, on the liquid collecting jar vavuum pump is housed, and there are condenser, demarcation strip in inside, and there are liquid level gauge and filling pipe in the outside, and cat head has can regulate shower.
Above-mentioned condensation compensator is divided into upper and lower two-layer, and the upper strata is a condenser, and lower floor is a compensator.The shared freezing unit circulating frozen salt solution of above-mentioned liquid collecting jar condenser and compensator condenser, the cooling water of liquid collecting jar is used for vavuum pump and cat head spray.
Little negative pressure of the present utility model, freezing type packed tower device for recovering tail gas are combined by 1 freezing unit, 1 vavuum pump, 1 packed tower and 1 condensation compensator.
Open freezing unit and vavuum pump earlier, freezing unit cool cycles chilled brine uses for compensator condenser and packed tower condenser, vavuum pump vacuumizes system, tail gas is through the compensator condenser condenses, do not coagulate tail gas and enter packed tower, spray into from cat head with cooling water, tail gas from bottom to top, cooling water fully contacts between filler from top to bottom, and inert gas is from the cat head emptying, reclaim liquid and fall into the liquid collecting jar, overflow to compensator and balancing condenser recovery liquid advances people's diversion box through U type pipe together, thereby realizes tail gas recycle.
Among the figure, A is that refrigerant advances; B is that refrigerant goes out; C is emptying; D is not solidifying gas; E is car Between the on-condensible gas import; F is filler.
Claims (7)
1, a kind of little negative pressure, freezing type packed tower device for recovering tail gas, it is characterized in that: equilibrium condensation jar and packed tower are arranged, be connected with valve by pipeline between equilibrium condensation jar and the packed tower, the equilibrium condensation jar all is connected with freezing unit with packed tower, and all is connected with vavuum pump.
2, little negative pressure according to claim 1, freezing type packed tower device for recovering tail gas, it is characterized in that: packed tower is divided into upper and lower two-layer, the upper strata is a packed tower, lower floor is the liquid collecting jar, aforementioned vavuum pump is housed on the liquid collecting jar, there are condenser and demarcation strip in inside, and filling pipe is equipped with in the outside, and cat head is equipped with shower.
3, little negative pressure according to claim 2, freezing type packed tower device for recovering tail gas is characterized in that: the condensing unit of liquid collecting jar is connected with freezing unit circulating frozen brine pipeline, and the cooling water pipe of liquid collecting jar is connected with the cat head spray head with vavuum pump.
4, according to claim 2 or 3 described little negative pressure, freezing type packed tower device for recovering tail gas, it is characterized in that: liquid level gauge also is equipped with in liquid collecting jar outside.
5, according to claim 1,2 or 3 described little negative pressure, freezing type packed tower device for recovering tail gas, it is characterized in that: the condensation compensator is divided into upper and lower two-layer, and the upper strata is a condenser, and lower floor is a compensator, and compensator is equipped with overflow pipe and/or liquid level gauge.
6, little negative pressure according to claim 5, freezing type packed tower device for recovering tail gas is characterized in that: the compensator condenser is connected with freezing unit circulating frozen Brine Pipe.
7, little negative pressure according to claim 5, freezing type packed tower device for recovering tail gas, it is characterized in that: the overflow pipe of compensator is connected with diversion box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071771 CN200948368Y (en) | 2006-05-17 | 2006-05-17 | Mircro-negative-pressure type and freezing type packing tower tail gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071771 CN200948368Y (en) | 2006-05-17 | 2006-05-17 | Mircro-negative-pressure type and freezing type packing tower tail gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200948368Y true CN200948368Y (en) | 2007-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620071771 Expired - Lifetime CN200948368Y (en) | 2006-05-17 | 2006-05-17 | Mircro-negative-pressure type and freezing type packing tower tail gas recovery device |
Country Status (1)
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| CN (1) | CN200948368Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772994A (en) * | 2012-06-12 | 2012-11-14 | 新疆震企生物科技有限公司 | Negative pressure type organic tail gas recovery tower and process thereof |
| CN108384636A (en) * | 2018-04-28 | 2018-08-10 | 湖南淳湘农林科技有限公司 | A kind of solvent recovery unit |
-
2006
- 2006-05-17 CN CN 200620071771 patent/CN200948368Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772994A (en) * | 2012-06-12 | 2012-11-14 | 新疆震企生物科技有限公司 | Negative pressure type organic tail gas recovery tower and process thereof |
| CN102772994B (en) * | 2012-06-12 | 2014-04-30 | 新疆震企生物科技有限公司 | Negative pressure type organic tail gas recovery tower and process thereof |
| CN108384636A (en) * | 2018-04-28 | 2018-08-10 | 湖南淳湘农林科技有限公司 | A kind of solvent recovery unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070919 |
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| EXPY | Termination of patent right or utility model |